Number of 4Xn 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.
A230616
Number of 4Xn 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =348a(4) =7072a(5) =149664a(6) =3023532a(7) =61203362a(8) =1237807846a(9) =25032128092a(10) =506216068952
External references
- oeis: A230616